<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
  <title>17-19.案例_问答机器人</title>
  <link rel="stylesheet" href="https://unpkg.com/reset.css@2.0.2/reset.css" />
  <style>
    body {
      margin: 0;
      font-family: 'Microsoft YaHei', sans-serif;
    }

    .wrap {
      position: absolute;
      width: 100%;
      height: 100%;
      overflow: hidden;
    }

    .header {
      height: 55px;
      background: linear-gradient(90deg, rgba(246, 60, 47, 0.6), rgba(128, 58, 242, 0.6));
      overflow: hidden;
    }

    .header h3 {
      color: #faf3fc;
      line-height: 55px;
      font-weight: normal;
      float: left;
      letter-spacing: 2px;
      margin-left: 25px;
      font-size: 18px;
      text-shadow: 0px 0px 5px #944846;
    }

    .header img {
      float: right;
      margin: 7px 25px 0 0;
      border-radius: 20px;
      box-shadow: 0 0 5px #f7f2fe;
    }

    .main {
      position: absolute;
      left: 0;
      right: 0;
      top: 55px;
      bottom: 55px;
      background-color: #f4f3f3;
      box-sizing: border-box;
      overflow: hidden;
    }

    .talk_list {
      width: 100%;
      height: 100%;
      overflow-y: auto;
    }

    .talk_list li {
      overflow: hidden;
      margin: 20px 0px 30px;
      display: flex;
    }

    .talk_list .left_word {
      justify-content: flex-start;
    }

    .talk_list .left_word img {
      margin-left: 20px;
      width: 44px;
      height: 44px;
    }

    .talk_list .left_word span {
      background-color: #fe9697;
      padding: 10px 15px;
      border-radius: 12px;
      font-size: 16px;
      color: #fff;
      margin-left: 15px;
      margin-right: 20px;
      position: relative;
      line-height: 24px;
    }

    .talk_list .left_word span:before {
      content: '';
      position: absolute;
      left: -8px;
      top: 12px;
      width: 13px;
      height: 12px;
      background: url('../img/corner01.png') no-repeat;
    }

    .talk_list .right_word {
      justify-content: flex-end;
    }

    .talk_list .right_word img {
      margin-right: 20px;
      width: 44px;
      height: 44px;
    }

    .talk_list .right_word span {
      background-color: #fff;
      padding: 10px 15px;
      border-radius: 12px;
      font-size: 16px;
      color: #000;
      margin-right: 15px;
      margin-left: 20px;
      position: relative;
      line-height: 24px;
    }

    .talk_list .right_word span:before {
      content: '';
      position: absolute;
      right: -8px;
      top: 12px;
      width: 13px;
      height: 12px;
      background: url('../img/corner02.png') no-repeat;
    }

    .footer {
      width: 100%;
      height: 55px;
      left: 0px;
      bottom: 0px;
      background-color: #fff;
      position: absolute;
      display: flex;
      align-items: center;
      padding: 0 10px;
      box-sizing: border-box;
    }

    .input_txt {
      height: 37px;
      border: 0px;
      background-color: #f4f3f3;
      border-radius: 8px;
      padding: 0px;
      margin: 0 10px;
      outline: none;
      text-indent: 15px;
      flex: 1;
    }

    .input_sub {
      width: 70px;
      height: 37px;
      border: 0px;
      background-color: #fe9697;
      margin: 0;
      border-radius: 8px;
      padding: 0px;
      outline: none;
      color: #fff;
      cursor: pointer;
    }
  </style>

</head>

<body>
  <div class="wrap">
    <!-- 头部 Header 区域 -->
    <div class="header">
      <h3>小思同学</h3>
      <img src="lib/img/person01.png" alt="icon" />
    </div>
    <!-- 中间 聊天内容区域 -->
    <div class="main">
      <ul class="talk_list" style="top: 0px;" id="talk_list">
        <!-- 机器人 -->
        <li class="left_word">
          <img src="lib/img/person01.png" /> <span>嗨，最近想我没有？</span>
        </li>
        <!-- 我 -->
        <li class="right_word">
          <img src="lib/img/person02.png" /> <span>想，想你教我写代码!</span>
        </li>
      </ul>
    </div>
    <!-- 底部 消息编辑区域 -->
    <div class="footer">
      <img src="lib/img/person02.png" alt="icon" />
      <input type="text" placeholder="说的什么吧..." class="input_txt" id="ipt" />
      <input type="button" value="发 送" class="input_sub" id="btnSend" />
    </div>
  </div>
  <script src="https://cdn.jsdelivr.net/npm/axios@0.27.2/dist/axios.min.js"></script>
  <script>
    // 目标: 完成和机器人聊天效果
  </script>
</body>

</html>